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Acrylic Wade's Geared Extruder for QU-BD Hot end.

by TheBogueRat, published

Acrylic Wade's Geared Extruder for QU-BD Hot end. by TheBogueRat Jan 21, 2013

Description

The QU-BD extruder didn't work for me. I didn't have a 624 bearing for bdring's mod or the other MK8 minimalistic mods but I do have a laser cutter.

I used this for a few weeks without problems until my Solidoodle arrived. Spent a week screwing around with the QU-BD stock and couldn't take it anymore. This thing worked great and let me focus on printing, instead of the machine failures.

Recent Comments

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Thank you for giving me a place to start. The QU BD extruder was really bad at stripping the fillament.
I built the original design that you based, this from and I came up with a similar inturnal workings as you. I like your design better and I will be building it soon. Keep up the good work.
.21-.22 inches. I bought 1/4 inch material that comes in thinner. One piece measured .205 inches. There are two small pieces that are about .11 inches to hold the bearing against the filament/hobbed bolt.

This info is in the files also.

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Instructions

Update: PDF, 2000 DXF and 2000 DWG added.

Instructions are mostly within the files.

Uses 608 bearings - Easy to get.

Original pdf drawing pulled from reprap.org/wiki/Wade%27s_Geared_Extruder

If you can get through a print with your QU-BD, might wanna try one of the mods like this one first. thingiverse.com/thing:43411. It also uses a 608 bearing. Just about to give it a go myself.
I built the original design that you based, this from and I came up with a similar inturnal workings as you. I like your design better and I will be building it soon. Keep up the good work.
Thank you for giving me a place to start. The QU BD extruder was really bad at stripping the fillament.
Hi, what is the thickness of the material?
.21-.22 inches. I bought 1/4 inch material that comes in thinner. One piece measured .205 inches. There are two small pieces that are about .11 inches to hold the bearing against the filament/hobbed bolt.

This info is in the files also.
How do you attach the small gear to the stepper motor's shaft? I do not have corel drawl. Could you please make the DXF available for use with CAMBAM.
And I'll get this in as dxf/ PDF tonight.
Small gear is attached by clamping action. The toothed gear holes are slightly off, enough that you can still get the screws in. When the three screws are tightened down, it applies just enough pressure to the shaft so that it doesn't slip but not so much that they crack.
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